3M 2550 Manuale Utente

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78-9000-0192-2 Rev C
D. Dual Marker Locate
Step 1.  Press Menu/OK [5:Toggle to LOCATE 
MENU display].
Step 2.  Press Marker [SK]. 
Step 3.  Press Markr1 [SK Toggle] to select desired 
Utility.
Step 4.  Press Markr2 [SK Toggle] to select desired 
utility.
Note: Only the marker types enabled in the setup menu will be shown. See 13.A. 
Enabling/Disabling Marker Types. When scanning for markers, the Gain Level [7] 
should be set high.
 
− The third and fourth soft key commands will populate with the types of 
utilities selected for Marker 1 and Marker 2.
Step 5.  Adjust the Gain [3] downuntil the Bar Graphs [11] ([10] for 2550 locator) open.
 
− The Bar Graph [11] ([10] for 2550 locator) will close, the audio will 
increase, and the Signal Strength [9] ([8] for 2550 locator) will increase 
when the receiver detects a marker of the specified utility.
 
− When one of the two markers is detected, press the “XXX Only” [SK] for 
the detected utility marker. (“XXX” represents the marker types selected. In 
the above example, PWR Only and TEL Only.)
 
− The receiver will switch to Single Marker Locate in order to pinpoint the 
marker (maximize the Signal Strength [9] ([8] for 2550 locator).
Step 6.  Press Markr2 [SK Toggle] to return to Dual Marker Locate.
E. 3M
 iD Marker Depth
Step 1.  Lower the tip of the receiver to the ground over the pinpointed marker.
Step 2.  Press DEPTH [4].
 
− The receiver will examine the marker 
(Calculating, please wait...)
 
− If the marker is a 3M
 iD Marker, the 
receiver will display the depth of the 
marker, and its identification (serial) 
number.